3DHunt.co
This model was modeled in Solidworks and rendered in Keyshot, this is actually 3 models in 1 an up-close model of headphones, an up-close model of volume controller and the complete headphones (jack, volume controller, and full audio wire.
Home theater design 3d scene3Dsmax 2009Vray 1.5Photoshop
Stethoscope 3ds max model. Octane render. Spline for flexibility.